September 26th - September 28th, 2018, Hotel Palace Berlin
September 20th - September 22nd, 2021, Sheraton Lisboa Hotel & Spa
September 14th - September 16th, 2016, Hotel Hilton Antwerp Old Town
September 23rd - September 25th, 2015, Hotel Fairmont Le Montreux Palace
September 24th - September 26th, 2014, Congress Center Hamburg
September 11th - September 13th, 2013, Hotel Dubrovnik Palace